* {
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: #000;
}

li {
  list-style: none;
}

body {
  color: #212121;
}

.w {
  width: 1170px;
  margin: 0 auto;
}

/* 头部区域 */
header {
  width: 100%;
  height: 80px;
  background-color: #fff;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 10;
}

header .header {
  display: flex;
  height: 80px;
  justify-content: space-between;
  line-height: 80px;
}

header .header .log {
  width: 124px;
  height: 44px;
  margin-top: 15px;
}

header .header .log img {
  width: 100%;
  height: 100%;
  line-height: 80px;
}

header .header .nav {
  font-size: 20px;
  color: #2c3e50;
}

header .header .nav .active {
  font-weight: 700;
  color: #000;
}

.lift {
  z-index: 2;
  display: inline-block;
  position: fixed;
  right: 10px;
  top: 400px;
  text-align: center;
  background-color: #fff;
}

.lift .advice {
  display: block;
  width: 72px;
  height: 72px;
  font-size: 12px;
  border: 1px solid #f0f1f5;
  line-height: 58px;
  position: relative;
  color: #60c15b;
}

.lift .advice i {
  width: 72px;
  font-size: 25px;
  height: 30px;
  width: 30px;
}

.lift .advice span {
  position: absolute;
  right: 12px;
  top: 44px;
  line-height: 20px;
}

.lift .wechat {
  width: 72px;
  height: 72px;
  font-size: 12px;
  border: 1px solid #f0f1f5;
  line-height: 58px;
  position: relative;
  color: #b9babb;
}

.lift .wechat i {
  width: 72px;
  font-size: 25px;
  height: 30px;
  width: 30px;
}

.lift .wechat span {
  position: absolute;
  right: 18px;
  top: 44px;
  line-height: 20px;
}

.lift .top {
  width: 72px;
  height: 48px;
  border: 1px solid #f0f1f5;
  line-height: 48px;
  color: #b9babb;
}

.lift .top i {
  font-size: 30px;
}

.lift_left {
  background-color: #fff;
  position: fixed;
  right: 88px;
  top: 415px;
  width: 145px;
  height: 180px;
  background-color: #236556;
  z-index: 20;
  display: none;
}

.lift_left img {
  width: 100%;
  height: 100%;
}

.header .nav a:first-child {
  margin-right: 48px;
}

.main_content {
  height: 440px;
  padding-top: 20px;
  margin-top: 80px;
}

.main_content .content {
  width: 1170px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: left;
}

.main_content .content .left {
  width: 270px;
  height: 100%;
}

.main_content .content .left .title {
  font-size: 60px;
  color: #333;
  margin-top: 70px;
}

.main_content .content .left .download {
  width: 270px;
  height: 72px;
  background-color: #60c15b;
  margin-top: 50px;
  border-radius: 36px;
  text-align: center;
  box-shadow: 0 8px 24px 0 rgba(96, 193, 91, 0.3);
  transition: all 1.5s;
}

.main_content .content .left .download .text {
  position: relative;
  line-height: 72px;
  color: #fff;
  font-size: 24px;
  margin-left: 20px;
}

.main_content .content .left .download .text img {
  position: absolute;
  left: 47px;
  top: 23px;
  width: 32px;
  height: 28px;
}

.main_content .content .right {
  position: relative;
  width: 556px;
  height: 440px;
  margin-left: 133px;
  background-size: 556px;
  background-image: url(https://static-nginx-online.fbcontent.cn/h5/zebra-ai-page/static/img/head-bg.fe3b1667.png);
  background-repeat: no-repeat;
  background-position: bottom;
}

.main_content .content img {
  position: absolute;
  top: 0;
  left: 138px;
  width: 276px;
  height: 440px;
}

.big_title {
  font-size: 40px;
  color: #222;
  font-weight: 700;
  line-height: 62px;
  letter-spacing: 2px;
  font-family: 'PingFangSC-Medium, PingFang SC';
  margin: 120px auto 16px;
  text-align: center;
}

.big_title img {
  height: 60px;
  width: 60px;
  vertical-align: bottom;
}

.description {
  width: 303px;
  height: 22px;
  line-height: 22px;
  font-size: 16px;
  color: #666;
  margin: 0 auto 60px;
}

.download_wrap {
  display: flex;
  justify-content: center;
}

.download_wrap .windows {
  width: 276px;
  height: 78px;
  border-radius: 39px;
  background: #459cff;
  border: 3px solid #459cff;
  margin-right: 40px;
  text-align: center;
  position: relative;
  transition: all 0.4s;
}

.download_wrap .windows .btn {
  margin: 21px;
  width: 206px;
  margin-top: 21px;
  margin-left: 33px;
}

.download_wrap .windows .btn img {
  float: left;
  width: 36px;
  height: 36px;
  margin-right: 8px;
}

.download_wrap .windows .btn span {
  float: left;
  font-size: 20px;
  font-weight: 500;
  line-height: 35px;
  color: #fff;
}

.download_wrap .mac {
  width: 276px;
  height: 78px;
  border-radius: 39px;
  background: #60c15b;
  border: 3px solid #60c15b;
  position: relative;
  transition: all 0.4s;
}

.download_wrap .mac .btn {
  margin: 21px;
  width: 200px;
  margin-top: 21px;
  margin-left: 53px;
}

.download_wrap .mac .btn img {
  float: left;
  width: 36px;
  height: 36px;
  margin-right: 8px;
}

.download_wrap .mac .btn span {
  float: left;
  font-size: 20px;
  font-weight: 500;
  line-height: 35px;
  color: #fff;
}

.common_question {
  text-align: center;
  color: #2c3e50;
  font-size: 14px;
  margin: 30px 0 100px;
}

.common_question a {
  text-decoration: underline;
  font-size: 16px;
  font-family: 'PingFangSC-Regular, PingFang SC';
  font-weight: 400;
  color: #459cff;
}

.eb_line {
  height: 1px;
  width: 1030px;
  margin: 0 auto;
  background: #ebebeb;
}

.vedio_model {
  height: 1252px;
  margin: 99px auto 80px;
}

.vedio_model .vedio {
  margin-bottom: 60px;
}

.vedio_model .vedio .title {
  width: 970px;
  height: 30px;
  margin: 0 auto 30px;
  font-size: 22px;
  font-family: 'PingFangSC-Medium, PingFang SC';
  font-weight: 500;
  color: #212121;
  line-height: 30px;
}

.vedio_model .vedio .title i {
  line-height: 30px;
  font-size: 24px;
  margin-right: 10px;
}

.vedio_model .vedio .v {
  width: 910px;
  height: 547px;
  margin: 0 auto;
}

.vedio_model .vedio .v video {
  width: 100%;
  height: 100%;
}

.vedio_model .step_wrap {
  display: flex;
  justify-content: space-between;
  width: 987px;
  height: 307px;
  margin: 0 auto 60px;
}

.vedio_model .step_wrap .step {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.vedio_model .step_wrap .step .step_title {
  height: 22px;
  font-size: 16px;
}

.vedio_model .step_wrap .step .img {
  width: 220px;
  height: 165px;
}

.vedio_model .step_wrap .step .img img {
  width: 100%;
  height: 100%;
}

.vedio_model .step_wrap .step .desc {
  width: 216px;
  font-size: 14px;
  font-family: 'PingFangSC-Regular,PingFang SC';
  color: #666;
  line-height: 20px;
  height: 80px;
}

.vedio_model .step_wrap .arrow {
  margin-top: 100px;
  font-weight: 700;
  font-size: 30px;
  color: #888686;
}

.vedio_model .notice_use {
  width: 970px;
  margin: 0 auto;
}

.vedio_model .notice_use .title {
  font-size: 22px;
  line-height: 30px;
  font-weight: 500;
  margin-bottom: 30px;
}

.vedio_model .notice_use .title i {
  font-size: 22px;
  margin-right: 10px;
}

.vedio_model .notice_use .notice_list {
  height: 158px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.vedio_model .notice_use .notice_list .list {
  line-height: 22px;
  color: #222;
}

.common_question1 {
  width: 970px;
  margin: 0 auto 100px;
}

.common_question1 .title {
  width: 970px;
  text-align: left;
  margin: 79px auto 30px;
  font-size: 22px;
  font-weight: 500;
}

.common_question1 .title i {
  font-weight: 1000;
  font-size: 27px;
  margin-right: 10px;
}

.common_question1 .list_box .list {
  width: 970px;
  margin-bottom: 20px;
  text-align: left;
}

.common_question1 .list_box .list .question {
  width: 970px;
  margin-bottom: 12px;
  font-size: 16px;
}

.common_question1 .list_box .list .answer {
  width: 970px;
  font-size: 14px;
  color: #666;
}

.common_question1 .list_box .list .answer a {
  color: #459cff;
}

footer {
  width: 100%;
  height: 130px;
  background-color: #333;
  font-size: 12px;
  padding-top: 20px;
  padding-bottom: 6px;
  text-align: center;
}

footer .footer_lab {
  margin-bottom: 10px;
}

footer .footer_lab a,
footer .footer_lab span {
  color: #A2A2A2;
}